*Appearance:Powder
*Color:Black
*Specific Volume:16~17 ml/g
*Iodine Absorption:≥4.4 ml/g
*Hydrochloric Acid Absorption:99.90%
*Resistivity:≤1.8Ω/m
*PH Value:6~8
*Heating Loss:≤0.2%
*Ash Content:4.075m2/g
*Impurity:0
*Absorption Intensity:≥23.4 ml/5g
*Absorption:≥250 ml/100g